Quiz: Bible Catchphrases

This verbal image is presented in the Gospel, "But everyone who hears these sayings of Mine, and does not do them, will be like a foolish man who built his house on the sand; and the rain descended, the floods came, and the winds blew and beat on that house; and it fell. And great was its fall." (Matthew 7:26-27). In a broader meaning, a house built on sand is something shaky, unstable, unreliable.